21 lines
468 B
C#
21 lines
468 B
C#
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var collection = File.ReadLines("/var/data/data.txt");
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if (!collection.Any())
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{
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throw new ArgumentException("Incorrect file");
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}
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if (!int.TryParse(collection.First(), out int firstNumber))
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{
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throw new ArgumentException("Wrong number");
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}
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if (!int.TryParse(collection.Last(), out int lastNumber))
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{
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throw new ArgumentException("Wrong number");
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}
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var result = lastNumber * firstNumber;
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File.WriteAllText("/var/result/result.txt", result.ToString());
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